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Fixed #22975: Don't call rename SQL if not needed

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This commit is contained in:
Andrew Godwin 2014-07-21 10:14:00 +01:00
parent 2984b30ce8
commit dcb4ed5170
2 changed files with 22 additions and 0 deletions
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20
tests/migrations/test_operations.py
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@ -769,6 +769,26 @@ class OperationTests(OperationTestBase):
self.assertTableExists("test_almota_pony")
self.assertTableNotExists("test_almota_pony_2")
def test_alter_model_table_noop(self):
"""
Tests the AlterModelTable operation if the table name is not changed.
"""
project_state = self.set_up_test_model("test_almota")
# Test the state alteration
operation = migrations.AlterModelTable("Pony", "test_almota_pony")
new_state = project_state.clone()
operation.state_forwards("test_almota", new_state)
self.assertEqual(new_state.models["test_almota", "pony"].options["db_table"], "test_almota_pony")
# Test the database alteration
self.assertTableExists("test_almota_pony")
with connection.schema_editor() as editor:
operation.database_forwards("test_almota", editor, project_state, new_state)
self.assertTableExists("test_almota_pony")
# And test reversal
with connection.schema_editor() as editor:
operation.database_backwards("test_almota", editor, new_state, project_state)
self.assertTableExists("test_almota_pony")
def test_alter_field(self):
"""
Tests the AlterField operation.